10640001 has 16 divisors (see below), whose sum is σ = 14745600. Its totient is φ = 6819408.

The previous prime is 10639987. The next prime is 10640009. The reversal of 10640001 is 10004601.

It is not a de Polignac number, because 10640001 - 2⁷ = 10639873 is a prime.

It is a super-2 number, since 2×10640001² = 226419242560002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10640009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7680 + ... + 8958.

It is an arithmetic number, because the mean of its divisors is an integer number (921600).

Almost surely, 2^10640001 is an apocalyptic number.

It is an amenable number.

10640001 is a deficient number, since it is larger than the sum of its proper divisors (4105599).

10640001 is a wasteful number, since it uses less digits than its factorization.

10640001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10640001 is about 3261.9014393448. The cubic root of 10640001 is about 219.9448966678.

Adding to 10640001 its reverse (10004601), we get a palindrome (20644602).

The spelling of 10640001 in words is "ten million, six hundred forty thousand, one".